amplified by our own prices and the city. the executive director for the san francisco housing action coalition estimates that we have 14 post secondary institutions serving 120,000 students. if we imagine that some of them already have a housing with their parents, providing housing for a third of those am looking at the amount of housing, provided, we have a 40,000 beds shortfall. demand is high, rents are higher, and vacancies are lower than traditional higher. the academy of arts is the most discussed institution with the housing crunch, but they are not alone. the san francisco art institute states that are not able to lease most of the units. let's look at some of our existing policies about housing.